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Chapter 1 Cisco 1700 Router Overview
1-6
Cisco 1700 Router Hardware Installation Guide
78-5405-03
Front-Panel LEDs
Use the router front-panel LEDs to determine network activity and status on the
Ethernet port and on the WAN interface card ports. The front-panel LEDs are
illustrated in Figure 1-4 and described in Table 1-3.
Figure 1-4 Front-Panel LEDs
12155
PWR
ACT
ACT/CH0
ACT/CH1
OK
ACT/CH0
WIC0
WIC1
ETH
ACT/CH1
COL
Table 1-3 Front-Panel LEDs
LED Label Color Description
PWR Green On means that DC power is being supplied to the router.
OK Green On means that the router has successfully booted up and the software is functional.
This LED blinks during the power-on self-test (POST).
Refer to Table 3-1 in the “Troubleshooting” chapter for information on how to use
this LED for router diagnostics.
ETH
ACT Green Blinks when there is network activity on the Ethernet port.
COL Yellow Blinks when there are packet collisions on the local Ethernet network.